图片文件尺寸 : 1884 x 3192px
“国家卫生研究院改变机会障碍–National Institutes of Health
Change barriers to opportunities–National Institutes of Health (美国, 1887-)
图片文件尺寸 : 1884 x 3192px
“国家卫生研究院改变机会障碍–National Institutes of Health
Change barriers to opportunities–National Institutes of Health (美国, 1887-)